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Increase number of 'Windows tool_integration_tests' subshards - #196243
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This pull request updates the .ci.yaml configuration file to add fifteen new Windows integration test targets, specifically Windows tool_integration_tests_1_15 through Windows tool_integration_tests_15_15. These targets run the tool_integration_tests shard with subshards 1_15 through 15_15 using the flutter/flutter_drone recipe. I have no feedback to provide.
The ten Windows tool_integration_tests_N_10 shards are balanced at 14.8 minutes of tests each, which with 4-5 minutes of bot setup makes 18-20 minute builders. Fifteen shards bring the test step to about 10 minutes and the builder under 15. The new names drop the shard count, as flutter#189040 did for Mac, so future resharding does not need a bringup round. The _N_10 targets are removed in a follow-up once these are green. Fixes flutter#189290
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flutter/flutter@d463821...fffd8c2 2026-11-10 [email protected] Roll Fuchsia Test Scripts from 8QcsP_SmbsT09VgUs... to PXc5D7S_q6sIYpfFJ... (flutter/flutter#196273) 2026-11-10 [email protected] [web] Accept the capped letter spacing line shift in kitchensink (flutter/flutter#196148) 2026-11-10 [email protected] Fix Vulkan MSAA diagonal seam in FramebufferBlend (flutter/flutter#196197) 2026-11-10 [email protected] Read back images on the raster thread on OpenGLES (flutter/flutter#195927) 2026-11-10 [email protected] [web] Unify ui.Paint across CanvasKit and Skwasm (flutter/flutter#196071) 2026-11-10 [email protected] Roll Fuchsia Test Scripts from p3N3B-Kchh1bthB6n... to 8QcsP_SmbsT09VgUs... (flutter/flutter#196249) 2026-11-09 [email protected] [Impeller] Reland clipped BackdropFilter square corners fix (flutter/flutter#195716) 2026-11-09 [email protected] [web] Recreate canvas and context on CkOffscreenSurface resize to fix WebGL clipping (flutter/flutter#192769) 2026-11-09 [email protected] Roll Dart SDK from ee0f66fa0ad2 to a2baae273bb2 (1 revision) (flutter/flutter#196245) 2026-11-09 [email protected] Add Mac web_tool_tests_1_2 and _2_2 in bringup (flutter/flutter#196241) 2026-11-09 [email protected] Roll pub packages (flutter/flutter#196246) 2026-11-09 [email protected] Increase number of 'Windows tool_integration_tests' subshards (flutter/flutter#196243) 2026-11-09 [email protected] Roll Fuchsia Test Scripts from Jo-ZgQSNDuPsjlZ4s... to p3N3B-Kchh1bthB6n... (flutter/flutter#196238) 2026-11-09 [email protected] Skip UIScene pre-migration test cases on Xcode 27 (flutter/flutter#194755) 2026-11-09 [email protected] [flutter_tools] Share Analytics.isBot and make isRunningOnBot sync (flutter/flutter#194744) 2026-11-09 [email protected] [flutter_tools] Retry chromedriver startup when its port is taken (flutter/flutter#196150) 2026-11-09 [email protected] Remove unused vulkan_provider.cc (flutter/flutter#195513) 2026-11-09 [email protected] Roll Dart SDK from 3b174b7217fe to ee0f66fa0ad2 (13 revisions) (flutter/flutter#196217) 2026-11-09 [email protected] Goma is dead, long live RBE! (Take 2) (flutter/flutter#196212) 2026-11-09 [email protected] Split DevTools customer tests into its own customer_testing_devtools shard (flutter/flutter#195871) 2026-11-09 [email protected] Split mac_host_{debug,profile,release}_arm64_tests into one step per type (flutter/flutter#196031) If this roll has caused a breakage, revert this CL and set the roller to dry run mode using the controls here: https://autoroll.skia.org/r/flutter-packages Please CC [email protected],[email protected] on the revert to ensure that a human is aware of the problem. To file a bug in Packages: https://github.com/flutter/flutter/issues/new/choose To report a problem with the AutoRoller itself, please file a bug: https://issues.skia.org/issues/new?component=1389291&template=1850622 Documentation for the AutoRoller is here: https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md
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… shards out of bringup (flutter#196275) The fifteen Windows tool_integration_tests_N shards from flutter#196243 are passing in postsubmit, running about 15-16 minutes each. Take out of bringup and delete the old _N_10 builders. flutter#196243 and this PR should be cherry-picked to the beta branch so the infra configs match. ## Pre-launch Checklist - [x] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [x] I read the [AI contribution guidelines] and understand my responsibilities, or I am not using AI tools. - [x] I read the [Tree Hygiene] wiki page, which explains my responsibilities. - [x] I read and followed the [Flutter Style Guide], including [Features we expect every widget to implement]. - [x] I signed the [CLA]. - [ ] I listed at least one issue that this PR fixes in the description above. - [x] I updated/added relevant in-code documentation (doc comments with `///`). - [x] If this PR introduces a new feature or capability, I created and linked a website documentation issue or PR in [flutter/website] (or verified none is needed). - [x] I added new tests to check the change I am making, or this PR is [test-exempt]. - [x] I followed the [breaking change policy] and added [Data Driven Fixes] where supported. - [x] All existing and new tests are passing. If you need help, consider asking for advice on the #hackers-new channel on [Discord]. If this change needs to override an active code freeze, provide a comment explaining why. The code freeze workflow can be overridden by code reviewers. See pinned issues for any active code freezes with guidance. **Note**: The Flutter team is currently trialing the use of [Gemini Code Assist for GitHub](https://developers.google.com/gemini-code-assist/docs/review-github-code). Comments from the `gemini-code-assist` bot should not be taken as authoritative feedback from the Flutter team. If you find its comments useful you can update your code accordingly, but if you are unsure or disagree with the feedback, please feel free to wait for a Flutter team member's review for guidance on which automated comments should be addressed. <!-- Links --> [Contributor Guide]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview [AI contribution guidelines]: https://github.com/flutter/flutter/blob/main/CONTRIBUTING.ai.md [Tree Hygiene]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md [test-exempt]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests [Flutter Style Guide]: https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md [Features we expect every widget to implement]: https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md#features-we-expect-every-widget-to-implement [CLA]: https://cla.developers.google.com/ [flutter/tests]: https://github.com/flutter/tests [flutter/website]: https://github.com/flutter/website [breaking change policy]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#handling-breaking-changes [Discord]: https://github.com/flutter/flutter/blob/main/docs/contributing/Chat.md [Data Driven Fixes]: https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md
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The ten
Windows tool_integration_tests shardsare balanced at 14.8 minutes of tests each as of #195628, which with 4-5 minutes of bot setup makes 18-20 minute builders. Fifteen shards bring the test step to about 10 minutes and the builder under 15 min.Another attempt at #189292 but now they are balanced post- #195628.
Dropped the denominator from the build name so we don't need to have the
bringupthrash just to add or remove shards. See #189040.The old ten _N_10 targets will be removed in a follow-up once these are green in post-submit.
Fixes #189290
Pre-launch Checklist
///).If you need help, consider asking for advice on the #hackers-new channel on Discord.
If this change needs to override an active code freeze, provide a comment explaining why. The code freeze workflow can be overridden by code reviewers. See pinned issues for any active code freezes with guidance.
Note: The Flutter team is currently trialing the use of Gemini Code Assist for GitHub. Comments from the
gemini-code-assistbot should not be taken as authoritative feedback from the Flutter team. If you find its comments useful you can update your code accordingly, but if you are unsure or disagree with the feedback, please feel free to wait for a Flutter team member's review for guidance on which automated comments should be addressed.